Home / 13,153,772.80-19,711,996.80-9,715,225.60

Finding the Fourth Proportional to 13,153,772.80, 19,711,996.80 and 9,715,225.60

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Solution

The fourth proportional to 13,153,772.80, 19,711,996.80 and 9,715,225.60 is: 14,559,054.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153,772.80 : 19,711,996.80 = 9,715,225.60 : x
  2. Step 2: Convert to fraction form
    13,153,772.80/19,711,996.80 = 9,715,225.60/x
  3. Step 3: Cross multiply
    13,153,772.80x = 19,711,996.80 × 9,715,225.60
  4. Step 4: Simplify right side
    13,153,772.80x = 191,506,495,938,478.09
  5. Step 5: Solve for x
    x = 191,506,495,938,478.09/13,153,772.80
  6. Step 6: Final answer
    x = 14,559,054.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.